Equipment for single crystal growth
The technology, developed by our specialists, allows to synthesize the Wide range Of high-performance crystals. weighing up to 40 kg. With number Of dislocations below 100 cm2 and final product yield up to 98 percent of raw material. Energy consumption of our process can be reduced by more than an order of magnitude (up to 10kW).
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- Possibility to grow high-performance crystals weighing up to 40 kg
- High perfection of grown crystals, with the number of dislocations is less than 100 dislocations / cm2
- High final product yield – up to 90 per cent of raw material volum
- Possibility to increase the diameter of crystal, practically up to crucible diameter
- The use of our unique high-precision weight measuring system registering crystal weight up to 40 kg to within ± 1 mg
- Lower number of thermoelastic stresses that can cause dislocations in crystal
- Possibility to use liquid sealing of the melt. This technique decreases the evaporation of volatile components and improves the purity and perfection of crystals
- Fully automatic system for crystal growth control. Possibility to operate the growth setup without qualified personnel
- Low energy consumption process, one order of magnitude lower than that of other methods
System configuration options:
| Maximum weight of grown crystals | Up to 40 kg. |
| Maximum operating temperature | Up to 2300 ºC |
| Operating pressure range | 13,3322 Pa to 25 MPa |
| Process media | Vacuum, argon, argon with hydrogen, helium, flux, atmospheric air |
| Temperature gradient control accuracy | Down to 0.1 ºС/см |
| Number of temperature control zones | Three zones or more |
| Heating method | Resistive or inductive |
| Weight control accuracy | ± 1 mg |
The specifics of the technique makes it possible to design an operator-level system to grow large volumes of various high-performance crystals weighing up to 40 kg with number of dislocations below 100 cm-2 and final product yield over 90 per cent of raw material.
Using our equipment one can synthesize the following single crystals:
- Germanium
- Gallium arsenide
- Indium phosphite
- Zinc selenide
- Zinc oxide
- ZnTe
- Cadmium tungstate
- Zinc tungstate
- Zinc molybdate
- Potassium-titanyl-phosphate non-linear optics
- Yttrium aluminum garnet
- Gadolinium gallium garnet
- Sodium iodite
- Cesium iodite
- Ticor
- Titanium-doped Al2O3
- Chromium-doped Al2O3
- Sapphire
We offer the development and manufacture of a system to synthesize the single crystal you need, the design of the technology to synthesize the desired material, and training of operators.
The images of crystals, developed in our laboratory:
KGd(WO4)2 
Ba2NaNb5O12 
ZnWO4 
LiNbO3 
ZnSe 
CdWO4